Add 21/6 and 45/14
1st number: 3 3/6, 2nd number: 3 3/14
21/6 + 45/14 is 47/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Add the two like fractions:
147/42 + 135/42 = 147 + 135/42 = 282/42 - 282/42 simplified gives 47/7
- So, 21/6 + 45/14 = 47/7
In mixed form: 65/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+45/14 21/6+90/14 21/12+45/14 21/6+45/28 63/6+45/14 21/18+45/14 21/6+45/42 21/30+45/14 21/6+45/70 21/42+45/14 21/6+45/98